Merge lp:~dalius-sandbox/ubuntu-calculator-app/tear-off-formula into lp:~ubuntu-calculator-dev/ubuntu-calculator-app/old_trunk

[Dalius]

Tear off implementation

Tear off implementation

[Ubuntu Phone Apps Jenkins Bot (ubuntu-phone-apps-jenkins-bot)]

PASSED: Continuous integration, rev:36
http://91.189.93.125:8080/job/ubuntu-calculator-app-ci/4/
Executed test runs:
    SUCCESS: http://91.189.93.125:8080/job/ubuntu-calculator-app-quantal-amd64-ci/4/console
    SUCCESS: http://91.189.93.125:8080/job/ubuntu-calculator-app-raring-amd64-ci/4/console

Click here to trigger a rebuild:
http://91.189.93.125:8080/job/ubuntu-calculator-app-ci/4/rebuild

review: Approve (continuous-integration)

[Riccardo Ferrazzo (f-riccardo87)]

Nice and clean solution!
We need to play a little with transitions and animations to get a better behaviour.

review: Approve

=== modified file 'Simple/CalcKeyboard.qml'
--- Simple/CalcKeyboard.qml	2013-03-14 15:44:07 +0000
+++ Simple/CalcKeyboard.qml	2013-03-21 17:58:22 +0000
@@ -12,7 +12,7 @@
 
         anchors{
             top: parent.top
-            topMargin: units.gu(2)
+            topMargin: units.gu(2) + (formulaView.__wasAtYBegining & formulaView.__displaceDist > 0 ? formulaView.__displaceDist : 0)
             horizontalCenter: parent.horizontalCenter
         }
 

=== modified file 'Simple/SimplePage.qml'
--- Simple/SimplePage.qml	2013-03-20 16:28:57 +0000
+++ Simple/SimplePage.qml	2013-03-21 17:58:22 +0000
@@ -149,6 +149,11 @@
             verticalLayoutDirection: ListView.BottomToTop
             clip: true
 
+            property bool __wasAtYBegining: false
+            property int __initialContentY: 0
+            property bool __toBeRefresh: false
+            property int __displaceDist: contentY - __initialContentY
+
             signal currentOperatorsChanged()
 
             function addCurrentToMemory() {
@@ -263,6 +268,22 @@
                 }
                 storage.saveCalculations(calculations)
             }
+
+            onMovementStarted: {
+                __wasAtYBegining = atYEnd
+                __initialContentY = contentY
+            }
+            onContentYChanged: {
+                if (__wasAtYBegining && __displaceDist > units.gu(5))
+                    __toBeRefresh = true
+            }
+            onMovementEnded: {
+                if (__toBeRefresh) {
+                    formulaView.addCurrentToMemory();
+                    clear();
+                    __toBeRefresh = false
+                }
+            }
         }
     }
 }